Ruby and Rails technical content written by Lucian Ghinda https://allaboutcoding.ghinda.com Where Claude Code, Codex, Cursor, Amp, opencode, and pi store session logs, which formats they use, how long they keep them, and what remains undocumented. Thu, 06 Aug 2026 07:58:55 +0000 https://allaboutcoding.ghinda.com/where-ai-coding-clis-store-session-logs/ https://allaboutcoding.ghinda.com/where-ai-coding-clis-store-session-logs/ ai llm ai-agents coding-agents developer-tools One block in CLAUDE.md and AGENTS.md that makes coding agents write throwaway scripts in Ruby instead of Python or bash, so you stay the reviewer instead of a rubber stamp Tue, 04 Aug 2026 08:25:15 +0000 https://allaboutcoding.ghinda.com/write-agent-scripts-in-ruby/ https://allaboutcoding.ghinda.com/write-agent-scripts-in-ruby/ ai llm ruby claude-code ai-agents Real stats from two months of agent-first development: four coding agents (Claude, Codex, Cursor, Amp) competing on every feature across 951 sessions Sat, 02 May 2026 16:59:15 +0000 https://allaboutcoding.ghinda.com/stats-from-two-months-agent-first-development-using-backoffs/ https://allaboutcoding.ghinda.com/stats-from-two-months-agent-first-development-using-backoffs/ ai llm ruby ruby-on-rails Documenting a weekend experiment with codex /goal command, using superplanning for initial planning and fizzy cli skill for task management. A straightforward workflow for implementing newsletter features. Sat, 02 May 2026 16:59:15 +0000 https://allaboutcoding.ghinda.com/setting-up-a-workflow-with-superplanning-and-fizzy/ https://allaboutcoding.ghinda.com/setting-up-a-workflow-with-superplanning-and-fizzy/ ai llm ruby ruby-on-rails Capture the session state before compaction and restores it after. Not a summary. A structured handoff document that any session, agent, or person ca Thu, 16 Apr 2026 03:19:06 +0000 https://allaboutcoding.ghinda.com/adding-session-handoff-to-superpowers-ruby/ https://allaboutcoding.ghinda.com/adding-session-handoff-to-superpowers-ruby/ ai llm superpowers ruby ruby-on-rails 51 checks that might help combat some of prompt injections in LLM applications. Tue, 07 Apr 2026 04:48:07 +0000 https://allaboutcoding.ghinda.com/two-agent-skills-to-help-with-prompt-security/ https://allaboutcoding.ghinda.com/two-agent-skills-to-help-with-prompt-security/ ai llm agentic-ai skills Automate Rails upgrades with superpowers-ruby v6.1.0 — the rails-upgrade skill enforces green test suites, resolves defaults, and requires explicit ap Thu, 02 Apr 2026 12:27:23 +0000 https://allaboutcoding.ghinda.com/superpowers-ruby-v6-1-0-a-rails-upgrade-skill/ https://allaboutcoding.ghinda.com/superpowers-ruby-v6-1-0-a-rails-upgrade-skill/ ruby ruby-on-rails upgrade ai llm Superplanning: a unified Claude Code skill merging top elements from 48+ planning skills into a 7-phase flow for product and feature planning. Mon, 30 Mar 2026 05:11:12 +0000 https://allaboutcoding.ghinda.com/superplanning-a-unified-planning-skill-for-claude-code/ https://allaboutcoding.ghinda.com/superplanning-a-unified-planning-skill-for-claude-code/ ai llm planning products mvp superpowers-ruby v5.0.6 adds a Compound Skill adapted from compound-engineering-plugin to capture reusable Rails solutions in docs/solutions and prese Wed, 25 Mar 2026 11:21:36 +0000 https://allaboutcoding.ghinda.com/superpowers-ruby-v5-0-6-compound-skills-and-ruby-idiom-fixes/ https://allaboutcoding.ghinda.com/superpowers-ruby-v5-0-6-compound-skills-and-ruby-idiom-fixes/ ruby ruby-on-rails llm ai Three new RuboCop style cops in v1.85.0: SelectByKind, SelectByRange, PartitionInsteadOfDoubleSelect: why to enable them and how auto-correct simpli Thu, 19 Mar 2026 05:49:15 +0000 https://allaboutcoding.ghinda.com/3-new-rubocop-style-cops-selectbykind-selectbyrange-partitioninsteadofdoubleselect/ https://allaboutcoding.ghinda.com/3-new-rubocop-style-cops-selectbykind-selectbyrange-partitioninsteadofdoubleselect/ ruby ruby-on-rails rubocop quality Add RuboCop MCP to Claude Code and OpenCode—enable AI editors to call RuboCop via the Model Context Protocol for structured inspections and Fri, 13 Mar 2026 05:36:42 +0000 https://allaboutcoding.ghinda.com/how-to-add-rubocop-mcp-to-claude-code-and-opencode/ https://allaboutcoding.ghinda.com/how-to-add-rubocop-mcp-to-claude-code-and-opencode/ ruby rails ai llm mcp OpenCode uses RuboCop's LSP (rubocop --lsp) for Ruby—auto-detecting projects and installing RuboCop safely without touching your Gemfile. Thu, 12 Mar 2026 06:01:17 +0000 https://allaboutcoding.ghinda.com/opencode-uses-rubocop-as-the-ruby-language-server/ https://allaboutcoding.ghinda.com/opencode-uses-rubocop-as-the-ruby-language-server/ ruby opencode ai llm Enable the Ruby LSP plugin in Claude Code/OpenCode to get hover info, go-to-definition, and project-wide symbol search. Quick Wed, 11 Mar 2026 10:53:20 +0000 https://allaboutcoding.ghinda.com/configure-claude-code-with-ruby-lsp/ https://allaboutcoding.ghinda.com/configure-claude-code-with-ruby-lsp/ ruby lsp claudeai llm Discover essential Ruby gems for AI agent tooling, offering configurations, parsing, and skill management for improved developer experience Wed, 04 Feb 2026 11:24:18 +0000 https://allaboutcoding.ghinda.com/essential-ruby-gems-for-working-with-agent-skills-files/ https://allaboutcoding.ghinda.com/essential-ruby-gems-for-working-with-agent-skills-files/ ruby ruby-on-rails llm ai tools Use Delta to improve Git diffs with syntax highlighting for better readability in your terminal. Install and configure for better code reviews Fri, 16 Jan 2026 10:34:11 +0000 https://allaboutcoding.ghinda.com/improving-git-diffs-with-delta/ https://allaboutcoding.ghinda.com/improving-git-diffs-with-delta/ ai llm git programming-blogs Avoid using `let!` in RSpec tests and discover alternative approaches to increase test readability and debugging Thu, 06 Nov 2025 08:27:35 +0000 https://allaboutcoding.ghinda.com/rspec-and-let-understanding-the-potential-pitfalls/ https://allaboutcoding.ghinda.com/rspec-and-let-understanding-the-potential-pitfalls/ ruby ruby-on-rails rspec testing Learn how to effectively use Ruby's pattern matching to locate elements within a hash array and handle exceptions Thu, 16 Oct 2025 04:54:28 +0000 https://allaboutcoding.ghinda.com/how-to-use-pattern-matching-to-locate-elements-in-a-hash-array/ https://allaboutcoding.ghinda.com/how-to-use-pattern-matching-to-locate-elements-in-a-hash-array/ ruby ruby-on-rails patterns matching pattern-matching Ruby on Rails uses `psych` for YAML locale processing that will load Yes/No, On/Off as booleans Wed, 15 Oct 2025 04:36:51 +0000 https://allaboutcoding.ghinda.com/ruby-on-rails-loading-locales-with-yes-no-on-and-off/ https://allaboutcoding.ghinda.com/ruby-on-rails-loading-locales-with-yes-no-on-and-off/ ruby ruby-on-rails gems Learn how to avoid pitfalls in time comparisons in tests using the iso8601 method for consistency and reliability Fri, 10 Oct 2025 03:58:21 +0000 https://allaboutcoding.ghinda.com/avoid-microsecond-pitfalls-when-comparing-times-in-tests/ https://allaboutcoding.ghinda.com/avoid-microsecond-pitfalls-when-comparing-times-in-tests/ ruby rails ruby-on-rails testing Use Ruby getter methods over instance variables for clearer errors and easier debugging Fri, 25 Apr 2025 04:39:06 +0000 https://allaboutcoding.ghinda.com/prefer-getter-methods-over-instance-variables-inside-ruby-objects/ https://allaboutcoding.ghinda.com/prefer-getter-methods-over-instance-variables-inside-ruby-objects/ ruby ruby-on-rails properties design-patterns design-principles